Image display device and image projection device

Optics: image projectors – Image moves on screen

Reexamination Certificate

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Details

C353S084000, C345S087000

Reexamination Certificate

active

07857458

ABSTRACT:
An image display device is disclosed that has a simplified structure and is able to display a high quality image of high resolution at low cost. The image display device includes a light separation unit configured to extract a light beam having a predetermined wavelength band from light emitted from a light source; a light valve that controls a light beam incident thereon to form a plurality of sub frames of a target image; and a light path shift unit operable to shift a light path of an output light beam from the light valve having the predetermined wavelength band according to a frame period of the target image to locate one or more sub frame of the target image at different positions from other sub frames of the target image formed by the light valve.

REFERENCES:
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patent: 2008/0055266 (2008-03-01), Harada et al.
patent: 2010/0118002 (2010-05-01), Yamashita et al.
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patent: 2003 322908 (2003-11-01), None
patent: 2004 233524 (2004-08-01), None

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